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68 Posts
Hello,
I have a 04' 330Cd and i love this car.
For start i will explain my experience with the OEM mirrors.
The system after +03 facelift coupe is a shi*t since its all packed inside a small pcb with a small MCU and smd components.... not very durable...
I did found the MCU for sale but none about the pins in datasheet.... the system is property of delphi........
So buy mcu and dont be able to upload the fw?! dead end
What i want does exactly the same as the well known modules in pré 2003 cars, so i dig a lot to find a way to use a more durable system since it fails for its week nature and bad insulation and i can tell you from some BMW dealers that they exchange in warranty a lot of them since the bad isolation from the elements.
Enough history.....
I disassembled the mirror and take out the pcb from the motors coupling i get the following:


Now im in a tricky part of the business, since the WDS is not quite clear about a few wires i will try to explain my doubts to find that someone can help me.
The wiring schematic is the following:
So from here and since i know it will use 11 wires i get this:
PIN 1 & PIN 2 ------------------- FOLDING MOTOR
PIN 5 ---------------------------- +12V HEATING ELEMENT
PIN 7 ---------------------------- GROUND FOR HEATING ELEMENT
Still 7 wires missing and have 10 contacts on the plastic assembly with motors and sensors.....
In this refered 4 pins im positively sure that they are right however the tricky comes next.
Using the schematics im getting trouble to find how to connect the vertical and horizontal motors and their sensors.
I have 2 contacts per motor and 3 contacts per motors sensor.
Using the old pcb for reference in this i found this 2 lines that jumps wires from the motors and the sensors, marked in red on the image (its paint so sucks) bellow.


upload pic
Now i need help understand the workings of this.
Hope this help lot of Ci's and Cd's like me to have fully functional mirrors without having to pay 1k$
for 2 mirrors.
If someone knows read the schematics better help will be greatly appreciated.
Or if someone is pitty of me deassemble its own mirror and take a picture i even pay for it.
Edit: PIN 8 seems a ground for sensors. They are double resistance sensors so there should be the same as the 4 components within the mirror actuator
Luckily Timóteo will find oneout to copy the work
I have a 04' 330Cd and i love this car.
For start i will explain my experience with the OEM mirrors.
The system after +03 facelift coupe is a shi*t since its all packed inside a small pcb with a small MCU and smd components.... not very durable...
I did found the MCU for sale but none about the pins in datasheet.... the system is property of delphi........
So buy mcu and dont be able to upload the fw?! dead end


What i want does exactly the same as the well known modules in pré 2003 cars, so i dig a lot to find a way to use a more durable system since it fails for its week nature and bad insulation and i can tell you from some BMW dealers that they exchange in warranty a lot of them since the bad isolation from the elements.





Enough history.....
I disassembled the mirror and take out the pcb from the motors coupling i get the following:


Now im in a tricky part of the business, since the WDS is not quite clear about a few wires i will try to explain my doubts to find that someone can help me.
The wiring schematic is the following:
So from here and since i know it will use 11 wires i get this:
PIN 1 & PIN 2 ------------------- FOLDING MOTOR
PIN 5 ---------------------------- +12V HEATING ELEMENT
PIN 7 ---------------------------- GROUND FOR HEATING ELEMENT
Still 7 wires missing and have 10 contacts on the plastic assembly with motors and sensors.....
In this refered 4 pins im positively sure that they are right however the tricky comes next.
Using the schematics im getting trouble to find how to connect the vertical and horizontal motors and their sensors.
I have 2 contacts per motor and 3 contacts per motors sensor.
Using the old pcb for reference in this i found this 2 lines that jumps wires from the motors and the sensors, marked in red on the image (its paint so sucks) bellow.


upload pic
Now i need help understand the workings of this.
Hope this help lot of Ci's and Cd's like me to have fully functional mirrors without having to pay 1k$


If someone knows read the schematics better help will be greatly appreciated.
Or if someone is pitty of me deassemble its own mirror and take a picture i even pay for it.


Edit: PIN 8 seems a ground for sensors. They are double resistance sensors so there should be the same as the 4 components within the mirror actuator
Luckily Timóteo will find oneout to copy the work